CVE-2021-44827

CVSS V2 High 9 CVSS V3 High 8.8
Description
There is remote authenticated OS command injection on TP-Link Archer C20i 0.9.1 3.2 v003a.0 Build 170221 Rel.55462n devices vie the X_TP_ExternalIPv6Address HTTP parameter, allowing a remote attacker to run arbitrary commands on the router with root privileges.
Overview
  • CVE ID
  • CVE-2021-44827
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2022-03-04T22:15:19
  • Last Modified Date
  • 2022-03-15T15:03:08
Weakness Enumerations
CWE URL
CWE-78 http://cwe.mitre.org/data/definitions/78.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:tp-link:archer_c20i_firmware:*:*:*:*:*:*:*:* 1 OR 170221
cpe:2.3:h:tp-link:archer_c20i:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:S/C:C/I:C/A:C
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • SINGLE
  • Confidentiality Impact
  • COMPLETE
  • Integrity Impact
  • COMPLETE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 9
  • Severity
  • HIGH
  • Exploitability Score
  • 8
  • Impact Score
  • 10
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 8.8
  • Base Severity
  • HIGH
  • Exploitability Score
  • 2.8
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://www.tp-link.com/us/security Vendor Advisory
https://Full-Disclosure.eu Exploit Third Party Advisory
https://full-disclosure.eu/reports/2022/CVE-2021-44827-tplink-authenticated-remote-code-execution.html Exploit Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-44827
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-44827
History
Created Old Value New Value Data Type Notes
2022-05-10 15:45:53 Added to TrackCVE
2022-12-06 11:22:44 2022-03-04T22:15Z 2022-03-04T22:15:19 CVE Published Date updated
2022-12-06 11:22:44 2022-03-15T15:03:08 CVE Modified Date updated
2022-12-06 11:22:44 Analyzed Vulnerability Status updated